Home / 331,712.46-497,274.03-129,261.69

Finding the Fourth Proportional to 331,712.46, 497,274.03 and 129,261.69

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Solution

The fourth proportional to 331,712.46, 497,274.03 and 129,261.69 is: 193,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,712.46 : 497,274.03 = 129,261.69 : x
  2. Step 2: Convert to fraction form
    331,712.46/497,274.03 = 129,261.69/x
  3. Step 3: Cross multiply
    331,712.46x = 497,274.03 × 129,261.69
  4. Step 4: Simplify right side
    331,712.46x = 64,278,481,510.91
  5. Step 5: Solve for x
    x = 64,278,481,510.91/331,712.46
  6. Step 6: Final answer
    x = 193,777.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.